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Chilled-Water BTU Metering and Temperature-Sensor Accuracy
Small temperature errors become large cooling-energy errors when ΔT is low. Check the sensor pair, flow installation and complete measurement chain before trusting totals.
Oct 13 min read


Differential-Pressure Sensor Placement and Reset Control for Variable-Flow Chilled-Water Pumps
A practical guide to remote DP sensors, branch pressure requirements and stable reset logic for variable-flow chilled-water pumps, with a worked pressure example.
Oct 13 min read


Chiller Staging and Sequencing Using Measured Load, Flow and Lift
A reliable staging sequence compares feasible plant combinations, protects evaporator flow and waits for stable evidence before switching. Start with measured load.
Oct 12 min read


Chilled-Water Temperature Reset: Humidity and Coil-Capacity Limits
Warmer chilled water can reduce compressor work, but coils still need to cool and dehumidify. Set reset limits from air-side performance, flow and plant trends.
Oct 12 min read


Minimum Chilled-Water System Volume and Buffer-Tank Sizing to Prevent Short Cycling
Size chilled-water buffer volume from minimum cooling output, low-load demand and permitted temperature swing, then verify active volume and manufacturer limits.
Oct 13 min read


HVAC Maintenance Checklist Pack: Ready-to-Use PPM Checklists for Chillers, AHUs, FCUs, VRF & More
Stop writing HVAC maintenance checklists from scratch. Ready-to-use daily to annual PPM checklists for chillers, cooling towers, AHUs, FCUs, pumps, fans, VRF and packaged units, in print-ready PDF and editable Excel.
Sep 303 min read


How to Price MEP Works Accurately and Win Tenders Profitably: Introducing the MEP Estimators Handbook
Missed scope, underpriced labour and forgotten accessories quietly destroy MEP margins. The MEP Estimators Handbook gives you a structured, checklist-driven method for pricing HVAC, plumbing, fire protection and electrical works with confidence.
Sep 294 min read


NexBOQ User Guide: Step-by-Step AI Quantity Takeoff, Review and BOQ Export
Everything you need to use NexBOQ: create a project, upload PDFs, run the AI takeoff, review and calibrate quantities, price the BOQ and export to Excel, CSV or PDF.
Sep 276 min read


Toilet Exhaust Ventilation Design: Airflow, Ducts and Fan Selection
A practical guide to sizing toilet exhaust, providing transfer air, routing ducts and selecting a fan that delivers the required airflow.
Sep 275 min read


AI Quantity Takeoff for MEP: How NexBOQ Turns PDF Drawings into a Reviewed BOQ
Upload MEP and HVAC PDF drawings, let AI prepare the quantities, then review, price and export your BOQ. See how NexBOQ works, what it saves and what it costs.
Sep 264 min read


Stop Guessing Pipe Sizes: Introducing the MEP Pipe Design & Sizing Handbook
A new 100-page, 20-chapter handbook for MEP/HVAC engineers covering hydronic, refrigerant, fire protection and plumbing pipe design and sizing — with formulas, worked examples, and code references.
Sep 222 min read


Chilled Water System Design Handbook: From Load to Commissioning
Explore Nexora’s 261-page chilled-water design handbook: 30 chapters covering chillers, piping, pumps, controls, worked examples and commissioning.
Sep 204 min read
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